• Laser & Optoelectronics Progress
  • Vol. 55, Issue 4, 040102 (2018)
Bingyang Wu1, Jinlong Yu1, Ju Wang、*, and Wenrui Wang1
Author Affiliations
  • 1 Laboratory of Optical Fiber Communications, School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China
  • 1 School of Aeronautics and Astronautics, Zhejiang University, Hangzhou, Zhejiang 310058, China
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    DOI: 10.3788/LOP55.040102 Cite this Article Set citation alerts
    Bingyang Wu, Jinlong Yu, Ju Wang, Wenrui Wang. Accuracy Correction of Miniaturization Device for Air Refractive Index Measurement[J]. Laser & Optoelectronics Progress, 2018, 55(4): 040102 Copy Citation Text show less
    Principle diagram of air refractive index measurement scheme based on secondary polarization modulation ranging system
    Fig. 1. Principle diagram of air refractive index measurement scheme based on secondary polarization modulation ranging system
    Principle diagram of temperature correction scheme
    Fig. 2. Principle diagram of temperature correction scheme
    Temperature measurement result of SHT75 sensor
    Fig. 3. Temperature measurement result of SHT75 sensor
    Comparison of temperature measurement results using SHT75 sensor and Ms5803 sensor
    Fig. 4. Comparison of temperature measurement results using SHT75 sensor and Ms5803 sensor
    Comparison of measurement results using Ms5803 sensor and Model278 sensor
    Fig. 5. Comparison of measurement results using Ms5803 sensor and Model278 sensor
    Measurement results of air refractive index
    Fig. 6. Measurement results of air refractive index
    ParameterValue
    Platinum resistance /Ω28.56642
    Temperature of platinum resistance /℃28.714
    Temperature of SHT75 sensor /℃28.84
    Sample standard deviationof SHT75 sensor /℃0.0101
    Table 1. Comparison of temperature measurement results of two methods
    PrameterValue
    Average output voltageof Model278 sensor /V3.5651379
    Average air pressureof Model278 sensor /Pa101390.8
    Sample standard deviationof Model278 sensor /Pa4.95
    Average air pressure ofMs5803 sensor /Pa101411.5
    Sample standard deviationof Ms5803 sensor /Pa7.54
    Table 2. Comparison of measurement results of two methods
    Bingyang Wu, Jinlong Yu, Ju Wang, Wenrui Wang. Accuracy Correction of Miniaturization Device for Air Refractive Index Measurement[J]. Laser & Optoelectronics Progress, 2018, 55(4): 040102
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